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13474444920 = 2335112287041
BaseRepresentation
bin11001000110010001…
…11011011001111000
31021210001112201112120
430203020323121320
5210043424214140
610105020041240
7654623614656
oct144310733170
937701481476
1013474444920
115794a779a2
122740693220
13136977a041
1491b78bdd6
1553ce1d1d0
hex32323b678

13474444920 has 32 divisors (see below), whose sum is σ = 40423335120. Its totient is φ = 3593185280.

The previous prime is 13474444889. The next prime is 13474444937. The reversal of 13474444920 is 2944447431.

13474444920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×134744449202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56143401 + ... + 56143640.

Almost surely, 213474444920 is an apocalyptic number.

13474444920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13474444920 is an abundant number, since it is smaller than the sum of its proper divisors (26948890200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13474444920 is a wasteful number, since it uses less digits than its factorization.

13474444920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112287055 (or 112287051 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 13474444920 in words is "thirteen billion, four hundred seventy-four million, four hundred forty-four thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 112287041 224574082 336861123 449148164 561435205 673722246 898296328 1122870410 1347444492 1684305615 2245740820 2694888984 3368611230 4491481640 6737222460 13474444920